填空题答案
191.25.128.0 191.25.191.255 0.0.51.7 191.25.128.1
2.
g2/2 mode trunk dot1q Vlan 2-5 ？
3.
202.102.1.30 202.102.1.26 0.0.0.0
255.255.255.255 DHCP ack
4.
？ 202.112.64.127 8 DNS
202.112.62.113
三．应用题
(3)255.255.255.240 152.19.58.129~152.19.58.142
255.255.255.240 152.19.58.145~152.19.58.158
255.255.255.224 152.19.58.161~152.19.58.190
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